Unsmooth CSS transition question

When I hover my mouse over the gray div area, the initial expansion is a very quick jerk. But it slowly decreases in size after a mouseout. My objective is to achieve a smooth transition both ways, i.e., expansion and collapse. Can anyone please tell me what I'm lacking with my code? Thanks.

<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>Test</title>
<style>
div {
	background: rgba(220,216,216,1.00);
	width: 400px;
	height: 295px;
	margin: 0 auto;
	overflow: hidden;
	transition: all 2s ease;
}
div:hover {
	height: 100%;
}
</style>
</head>

<body>
	<div>
    	This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box. This is an expanding div box.  
    </div>
</body>
</html>

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elepilAsked:
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GaryCommented:
Don't use 100% - use a set height for the hover.
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elepilAuthor Commented:
THANKS!
0
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